The zoom feature on a camera lens allows you dilate what appears on the display. when you change from 160% to 700%, the new image on
your screen is an enlargement of the previous image with a scale factor of 7. if the new image is 17.5 millimeters wide. what was the width of
the previous image?

a 8.75 millimeters
b 2.5 millimeters
c 122.5 millimeters
d 61.25 millimeters

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field